CVE-2026-63041

5.3 mediumEPSS 0.7%

Medium (5.3) in apache apisix. EPSS 0.7% chance of exploitation in the next 30 days.

Reliance on Untrusted Inputs in a Security Decision vulnerability in Apache APISIX. This vulnerability allows an attacker to escalate privilege or perform an authorization bypass by sending certain values that the attach-consumer-label plugin does not sanitise correctly. This issue affects Apache APISIX: from 3.11.0 through 3.17.0. Users are recommended to upgrade to version 3.18.0, which fixes the issue.

Severity

CVSS 4.0

5.3 medium

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

CVSS 3.1

8.8 high

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS: 0.7% chance of exploitation in the next 30 days; higher than 52% of CVEs (scores of 2026-10-31)
CWE: CWE-807
Published: 2026-08-26
Modified: 2026-08-27
Record from: the NVD, synced 2026-10-19

Affected

apache:apisix

References

https://lists.apache.org/thread/yg9tgn699rz7kyglw82m1775do8frjr4
http://www.openwall.com/lists/oss-security/2026/08/26/11

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